A API REST do NetWorker falha ao carregar com "Native Library /nsr/authc/webapps/nwrestapi/WEB-INF/lib/firmwarestapi64.so already loaded in another classloader"

Summary: Falha ao carregar o NETWorker RESTAPI: "java.lang.UnsatisfiedLinkError: Native Library /nsr/authc/webapps/nwrestapi/WEB-INF/lib/tlstapi64.so already loaded in another classloader"

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Symptoms

  • Falha ao carregar o NETWorker RESTAPI: "java.lang.UnsatisfiedLinkError: Native Library /nsr/authc/webapps/nwrestapi/WEB-INF/lib/tlstapi64.so already loaded in another classloader"
HTTP Status 500 - Servlet.init() for servlet nwrestapi threw exception

type Exception report

message Servlet.init() for servlet nwrestapi threw exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet nwrestapi threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1775)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1734)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Unknown Source)

root cause

java.lang.UnsatisfiedLinkError: Native Library /nsr/authc/webapps/nwrestapi/WEB-INF/lib/librestapi64.so already loaded in another classloader
	java.lang.ClassLoader.loadLibrary0(Unknown Source)
	java.lang.ClassLoader.loadLibrary(Unknown Source)
	java.lang.Runtime.load0(Unknown Source)
	java.lang.System.load(Unknown Source)
	com.emc.nw.webapi.WebApiServlet.loadDbSessionModules(WebApiServlet.java:75)
	com.emc.nw.webapi.WebApiServlet.init(WebApiServlet.java:55)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1775)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1734)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Unknown Source)
  • O comando lsof mostra a biblioteca em um estado DEL:
[root@nw_server ~]#  lsof | grep librestapi64
jsvc       4543 nsrtomcat  DEL       REG              253,2   14881546   67764661 /nsr/authc/webapps/nwrestapi/WEB-INF/lib/librestapi64.so

Cause

A biblioteca está em um estado DEL (descritor obsoleto de arquivos de biblioteca) que está impedindo o carregamento da biblioteca normal; portanto, o erro mostra "already loaded in another classloader".

Resolution

(1) Servidor reinicializado para descarregar/recarregar a memória: A API REST do NetWorker falha ao carregar com "Native Library /nsr/authc/webapps/nwrestapi/WEB-INF/lib/firmwarestapi64.so already loaded in another classloader"
(2) Importação emcauthctomcat.cer para o keystore cacerts java: NetWorker: Certificado emcauthctomcat da API REST do NetWorker removido do keystore cacerts

Affected Products

NetWorker

Products

NetWorker
Article Properties
Article Number: 000037878
Article Type: Solution
Last Modified: 13 May 2025
Version:  4
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